Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-05-06T04:31:25

Updated: 2021-05-06T04:51:02

Reserved: 2020-10-30T00:00:00


Link: CVE-2020-28024

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-05-06T13:15:09.720

Modified: 2022-06-28T14:11:45.273


Link: CVE-2020-28024

JSON object: View

cve-icon Redhat Information

No data.

CWE